| River past St.-Germain | 22 |
| River past Westminster Palace | 29 |
| River People of the Southwest | 29 |
| River pollution problem | 23 |
| River port east of Le Havre | 27 |
| River port NNW of Brisbane | 26 |
| River predator, briefly | 23 |
| River project evaluation? | 25 |
| River rising in Bavaria | 23 |
| River rising in Mongolia | 24 |
| River rising in Silesia | 23 |
| River rising in the Ardennes | 28 |
| River rising in the Grampians | 29 |
| River rising in the Urals | 25 |
| River seen from Lorelei Rock | 28 |
| River separating continents | 27 |
| River Shannon's Lough ___ | 29 |
| River spanned by La Pont Neuf | 29 |
| River sporting activity | 23 |
| River starting in Switzerland | 29 |
| River straddled by Florence | 27 |
| River surrounding Navy Island | 29 |
| River surrounding Notre Dame | 28 |
| River that begins in Nord | 25 |
| River that ends at Cairo | 24 |
| River that ends at Yuma | 23 |
| River that ends in Tarragona | 28 |
| River that feeds the Missouri | 29 |
| River that feeds the Ubangi | 27 |
| River that flows past Omaha | 27 |
| River that joins the Fulda | 26 |
| River that joins the Neisse | 27 |
| River that joins the Seine | 26 |
| River that joins the Severn | 27 |
| River that named Iberia | 23 |
| River that rises in Cantabria | 29 |
| River that rises in Lake Tana | 29 |
| River that runs by the Uffizi | 29 |
| River that runs through York | 28 |
| River that sounds muddy | 23 |
| River that turns west at Orsk | 29 |
| River the Aswan Dam dams | 24 |
| River through Ann Arbor | 23 |
| River through Bismarck | 22 |
| River through Budapest | 22 |
| River through Carlsbad | 22 |
| River through Catalonia | 23 |
| River through central Africa | 28 |
| River through central Germany | 29 |
| River through Deutschland | 25 |
| River through Fargo or Hanoi | 28 |
| River through Flanders | 22 |
| River through Florence | 22 |
| River through Frankfurt | 23 |
| River through Grenoble | 22 |
| River through Hesse, Germany | 28 |
| River through Interlaken | 24 |
| River through Kazakhstan | 24 |
| River through Kinshasa | 22 |
| River through La Rioja | 22 |
| River through Lake Brienz | 25 |
| River through Lake Geneva | 25 |
| River through Lake Thun | 23 |
| River through Limerick | 22 |
| River through Louisville | 24 |
| River through Magnitogorsk | 26 |
| River through Mâcon | 22 |
| River through Nebraska | 22 |
| River through New Mexico | 24 |
| River through Newark, England | 29 |
| River through Normandy | 22 |
| River through northern France | 29 |
| River through Nottingham | 24 |
| River through Pakistan | 22 |
| River through Philadelphia | 26 |
| River through Pittsburgh | 24 |
| River through Pomerania | 23 |
| River through Richmond | 22 |
| River through Rochester | 23 |
| River through Rochester, N.Y. | 29 |
| River through southern Russia | 29 |
| River through St. Petersburg | 28 |
| River through Stratford | 23 |
| River through Switzerland | 25 |
| River through Tanzania | 22 |
| River through the Alps | 22 |
| River through The Broads | 24 |
| River through the Downs | 23 |
| River through the Savoy Alps | 28 |
| River through Toledo, Ohio | 26 |
| River through Venezuela | 23 |
| River through Washington | 24 |
| River through Waterloo | 22 |
| River through West Flanders | 27 |
| River through West Yorkshire | 28 |
| River through Wheeling | 22 |
| River through Wiltshire | 23 |
| River through York, England | 27 |
| River through Yuma County | 25 |
| River through Zaragoza | 22 |